Pith Number

pith:2DSK7YDZ

pith:2008:2DSK7YDZHEVU7A5KFAYMOTFBWY

not attested not anchored not stored refs pending

On normal stability for nonlinear parabolic equations

Gieri Simonett, Jan Pruess, Rico Zacher

arxiv:0811.1784 v1 · 2008-11-11 · math.AP · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DSK7YDZHEVU7A5KFAYMOTFBWY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:54:51.397153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e4afe079392b4f83aa2830c74ca1b610362859c775031e31586faeffc29261

Aliases

arxiv: 0811.1784 · arxiv_version: 0811.1784v1 · doi: 10.48550/arxiv.0811.1784 · pith_short_12: 2DSK7YDZHEVU · pith_short_16: 2DSK7YDZHEVU7A5K · pith_short_8: 2DSK7YDZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2DSK7YDZHEVU7A5KFAYMOTFBWY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d0e4afe079392b4f83aa2830c74ca1b610362859c775031e31586faeffc29261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e30bab95762f8edb97a36753074ea45d9024c0d7083d3a67f2d5170f58c1a56",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-11-11T21:50:42Z",
    "title_canon_sha256": "268bd9e7554937d4ed1d792f23b908fbeeb57bd1c944d5ea9d912b88ae9be648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1784",
    "kind": "arxiv",
    "version": 1
  }
}